Tests for PaymentRequest.canMakePayment() method

Click on each button in sequence from top to bottom without refreshing the page. No payment sheet will be shown, but the tests will run in the background.

If request.[[state]] is "interactive", then return a promise rejected with an "InvalidStateError" DOMException.
If request.[[state]] is "closed", then return a promise rejected with an "InvalidStateError" DOMException.
If you find a buggy test, please file a bug and tag one of the owners.

Harness Error (TIMEOUT), message = null

FAIL If request.[[state]] is "created", then return a promise that resolves to true for known method. assert_equals: if it throws, then it must be a NotAllowedError. expected "NotAllowedError" but got "Error"
FAIL If payment method identifier and serialized parts are supported, resolve promise with true. assert_true: basic-card should be supported expected true got false
PASS If payment method identifier is unknown, resolve promise with false. 
PASS Optionally, at the user agent's discretion, return a promise rejected with a "NotAllowedError" DOMException.